《国家安全生产事故灾难应急预案》适用于( )。
A.特别重大安全生产事故灾难
B.重大安全生产事故灾难
C.较大安全生产事故灾难
D.一般安全生产事故灾难
参考答案:A
Frank insisted that he was not asleep ________ I had great difficulty in waking him up.[ ]
A.whether
B.although
C.for
D.so
什么是复合调味品?